19421154

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{823}}^1$

素因数の和:876

約数の個数: 64

約数和(自身を含む): 47462400

約数和(自身を除く): 28041246

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 27, 38, 46, 54, 57, 69, 114, 138, 171, 207, 342, 414, 437, 513, 621, 823, 874, 1026, 1242, 1311, 1646, 2469, 2622, 3933, 4938, 7407, 7866, 11799, 14814, 15637, 18929, 22221, 23598, 31274, 37858, 44442, 46911, 56787, 93822, 113574, 140733, 170361, 281466, 340722, 359651, 422199, 511083, 719302, 844398, 1022166, 1078953, 2157906, 3236859, 6473718, 9710577, 19421154]

約数ペア:

[(1, 19421154), (2, 9710577), (3, 6473718), (6, 3236859), (9, 2157906), (18, 1078953), (19, 1022166), (23, 844398), (27, 719302), (38, 511083), (46, 422199), (54, 359651), (57, 340722), (69, 281466), (114, 170361), (138, 140733), (171, 113574), (207, 93822), (342, 56787), (414, 46911), (437, 44442), (513, 37858), (621, 31274), (823, 23598), (874, 22221), (1026, 18929), (1242, 15637), (1311, 14814), (1646, 11799), (2469, 7866), (2622, 7407), (3933, 4938)]